Finding the Fourth Proportional to 5,105.16, 7,656.78 and 1,818.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.16 : 7,656.78 = 1,818.24 : x
2. Step 2: Convert to fraction form
   5,105.16/7,656.78 = 1,818.24/x
3. Step 3: Cross multiply
   5,105.16x = 7,656.78 × 1,818.24
4. Step 4: Simplify right side
   5,105.16x = 13,921,863.67
5. Step 5: Solve for x
   x = 13,921,863.67/5,105.16
6. Step 6: Final answer
   x = 2,727.02